Home / 217,249,549.40-325,874,324.10-189,189,464.60

Finding the Fourth Proportional to 217,249,549.40, 325,874,324.10 and 189,189,464.60

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Solution

The fourth proportional to 217,249,549.40, 325,874,324.10 and 189,189,464.60 is: 283,784,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,249,549.40 : 325,874,324.10 = 189,189,464.60 : x
  2. Step 2: Convert to fraction form
    217,249,549.40/325,874,324.10 = 189,189,464.60/x
  3. Step 3: Cross multiply
    217,249,549.40x = 325,874,324.10 × 189,189,464.60
  4. Step 4: Simplify right side
    217,249,549.40x = 61,651,988,903,365,880
  5. Step 5: Solve for x
    x = 61,651,988,903,365,880/217,249,549.40
  6. Step 6: Final answer
    x = 283,784,196.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.